private void EnumerateCams()
{
int currentTick = System.Environment.TickCount;
if ((currentTick - m_lastEnumTick > 5000) || (m_lastEnumTick == 0)) {
m_lastEnumTick = currentTick;
confWebcam.Items.Clear();
confWebcam.Items.AddRange(WebcamManager.Enumerate());
confWebcam.Items.Add(Language.FormatString(Language.LanguageString.MainForm_Configuration_RefreshWebcamList));
confWebcam.SelectedIndex = 0;
}
}